president clinton said no at the time. the last i heard in 2007 was that they're still looking into ways of using the fungus as eradication. it sounds iffy to me, releasing a fungus into a rain forest. i think that's kind of an interesting way of seeing how these privileges are afforded to some powerful factors and not to others. i wanted to throw that in. >> i would just add real quick, first, on the brazilian fungus thing, one of the great experts on this has didn't a lot of research, is sitting in the audience. but on the question of the u.s. embassy, the u.s. embassy's own web site used to recommend to travelers in la paz to have coca tea. how many have been to la paz? it's about 13,000 feet high, and the airport, which is a plateau above the city, is even higher. so the oxygen content is 40% also at sea level. so you suffer terrible alt altitude psychness, extreme fatigue, headaches and you don't want to do anything unless you consume coca products. whether it's chewing coca or coca candy or coca tea and that will all